About: 7.5 cm KwK 42   Sponge Permalink

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The key feature of the weapon was its high muzzle velocity which enabled high accuracy and good penetration capabilities. When the 7.5 cm KwK 42 entered service with the Panther in 1943 it could penetrate more armor than any Soviet, American or British tank gun then in service. In this respect it was even more powerful than the Tiger's famous 8.8 cm KwK 36 L/56. The KwK 42 however fired a weaker HE shell.

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  • 7.5 cm KwK 42
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  • The key feature of the weapon was its high muzzle velocity which enabled high accuracy and good penetration capabilities. When the 7.5 cm KwK 42 entered service with the Panther in 1943 it could penetrate more armor than any Soviet, American or British tank gun then in service. In this respect it was even more powerful than the Tiger's famous 8.8 cm KwK 36 L/56. The KwK 42 however fired a weaker HE shell.
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abstract
  • The key feature of the weapon was its high muzzle velocity which enabled high accuracy and good penetration capabilities. When the 7.5 cm KwK 42 entered service with the Panther in 1943 it could penetrate more armor than any Soviet, American or British tank gun then in service. In this respect it was even more powerful than the Tiger's famous 8.8 cm KwK 36 L/56. The KwK 42 however fired a weaker HE shell. The increased muzzle velocity and operating pressure of the new gun required a new armour piercing projectile to be designed. The PzGr. 39/42 was the result, and apart from the addition of wider driving bands it was otherwise identical to the older 7.5 cm Pzgr.39. The wider driving bands added a little extra weight, from 6.8 kg for the old PzGr.39, to 7.2 kg for the new PzGr.39/42. The gun was fired electrically, the primer was initiated using an electric current rather than a firing pin. The breech operated semi-automatically so that after the gun had fired, the empty shell casing was automatically ejected, and the falling wedge type breech block remained down so that the next round could be loaded. Once the round was loaded the breech closed automatically and the weapon was ready to be fired again. Three different types of ammunition were used: APCBC-HE, APCR and HE. The ammunition was fixed. Following World War II, a modified version of the gun remained in production in France as CN-75-50[citation needed], which was mounted on AMX-13 light armored vehicle and Israeli M50 Super Sherman, a modified M4 Sherman tank with a redesigned turret to accommodate the gun.
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